10
6 use
6.1
Discharging remaining pressure
Fully depressurize the system as described below before removing the tank plug:
6.2
Control devices
6.3
Preliminary checks
After a long period of disuse and before every new use, check the tightness of the
fittings.
6.4
Preparing foaming solution
•
Pour an amount of concentrated foaming liquid into the tank according to the instructions
given on the package of the product (see par. 6.6).
•
Add clean water to fill the tank, using a pipe inserted down to the bottom of the tank so as
to mix the product well and prevent foam from forming.
•
Screw on the cap and tighten it carefully.
•
For use during the winter, add automotive antifreeze in the amount specified on the anti-
freeze package.
•
Cut off the supply to the foam marker.
•
Pull the red pin of the relief valve onto the tank
plug and then discharge any residue pressure as
shown in the figure.
a
Lever control switch for foam delivery
(Left / Off / Right).
B
Pilot lights checking and controlling the treated
portion.
Fig. 11
Fig. 12